There are plenty of affordable VR headsets that combine with smartphones to provide people with a 3D/VR experience. You are going to have even more fun with full body tracking. VicoVR makes it happen. It brings positional and full body tracking to your experience, supporting up to 2 people. VicoVR is compatible with iOS and Android devices.
VicoVR is wireless and does not need a PC to work. It can track data for 19 body joints. VicoVR syncs with Android TV, Apple TV too. Did we mention that it provides users with collision warning? Yet another interesting Indiegogo project.